.app{
    margin-top: 20px;
    width: calc(100vw * 0.56);
    height: auto;
}

.content{
    width: 100%;
    height: auto;
    margin-top: 20px;
    font-size: 15px;
    color: #6b5349;
}
.p{
    width: 90%;
    margin-left: 30px;
    line-height: 30px;
}